/Engine/Source/Runtime/Core/Public/Math/TransformCalculus.h
Default Conversion via a conversion ctor. Note we are not using perfect forwarding here. Our types don't generally support move operations, nor do they make sense. VS 2013 seems to have trouble resolving the specializations below in the presence of perfect forwarding semantics.
template<typename OtherTransformType> static TransformType Convert ( const OtherTransformType & Transform )